//<![CDATA[
var relatedTitles = new Array();
var relatedUrls = new Array();
var relatedpSummary = new Array();
var relatedThumb = new Array();
var relatedTitlesNum = 0;

var relatedPostsNum = 4; // number of entries to be shown
var relatedmaxnum = 75; // the number of characters of summary
var relatednoimage = "http://3.bp.blogspot.com/-PpjfsStySz0/UF91FE7rxfI/AAAAAAAACl8/092MmUHSFQ0/s1600/no_image.jpg"; // default picture for entries with no image

function readpostlabels(json) {
  var entry, postimg, postcontent, cat;
  for (var i = 0; i < json.feed.entry.length; i++) {
    entry = json.feed.entry[i];
    if (i==json.feed.entry.length) { break; }
    relatedTitles[relatedTitlesNum] = entry.title.$t;
    postcontent = "";
    if ("content" in entry) {
      postcontent = entry.content.$t;
    } else if ("summary" in entry) {
      postcontent = entry.summary.$t;
    }
    relatedpSummary[relatedTitlesNum] = removetags(postcontent,relatedmaxnum);
    if ("media$thumbnail" in entry) {
      postimg = entry.media$thumbnail.url;
    } else {
      postimg = relatednoimage;
    }
    relatedThumb[relatedTitlesNum] = postimg;
    for (var k = 0; k < entry.link.length; k++) {
      if (entry.link[k].rel == 'alternate') {
        relatedUrls[relatedTitlesNum] = entry.link[k].href;
        break;
      }
    }
    relatedTitlesNum++;
  }
}
function showrelated() {
  var tmp = new Array(0);
  var tmp2 = new Array(0);
  var tmp3 = new Array(0);
  var tmp4 = new Array(0);
  for(var i = 0; i < relatedUrls.length; i++) {
    if(!contains(tmp, relatedUrls[i])) {
      tmp.length += 1; tmp[tmp.length - 1] = relatedUrls[i];
      tmp2.length += 1; tmp2[tmp2.length - 1] = relatedTitles[i];
      tmp3.length += 1; tmp3[tmp3.length - 1] = relatedpSummary[i];
      tmp4.length += 1; tmp4[tmp4.length - 1] = relatedThumb[i];
    }
  }
  relatedTitles = tmp2; relatedUrls = tmp; relatedpSummary = tmp3; relatedThumb = tmp4;
  for(var i = 0; i < relatedTitles.length; i++){
    var index = Math.floor((relatedTitles.length - 1) * Math.random());
    var tempTitle = relatedTitles[i]; var tempUrls = relatedUrls[i];
    var tempResum = relatedpSummary[i]; var tempImage = relatedThumb[i];
    relatedTitles[i] = relatedTitles[index]; relatedUrls[i] = relatedUrls[index];
    relatedpSummary[i] = relatedpSummary[index]; relatedThumb[i] = relatedThumb[index];
    relatedTitles[index] = tempTitle; relatedUrls[index] = tempUrls;
    relatedpSummary[index] = tempResum; relatedThumb[index] = tempImage;
  }
  var somePosts = 0;
  var r = Math.floor((relatedTitles.length - 1) * Math.random());
  var relsump = r;
  var output;
  var dirURL = document.URL;

  while (somePosts < relatedPostsNum) {
    if (relatedUrls[r] != dirURL) {

      output = "<div class='relatedsumposts'>";
      output += "<a href='" + relatedUrls[r] + "' rel='nofollow'  target='_self' title='" + relatedTitles[r] + "'><img src='" + relatedThumb[r] + "' /></a>";
      output += "<h6><a href='" + relatedUrls[r] + "' target='_self'>" + relatedTitles[r] + "</a></h6>";
      output += "<p>" + relatedpSummary[r] + " ... </p>";
      output += "</div>";
      document.write(output);
     
      somePosts++;
      if (somePosts == relatedPostsNum) { break; }
    }
    if (r < relatedTitles.length - 1) {

      r++;
    } else {
     
      r = 0;
    }

    if(r==relsump) { break; }
  }
}
function removetags(text,length){
  var pSummary = text.split("<");
  for(var i=0;i<pSummary.length;i++){
    if(pSummary[i].indexOf(">")!=-1){
      pSummary[i] = pSummary[i].substring(pSummary[i].indexOf(">")+1,pSummary[i].length);
    }
  }
  pSummary = pSummary.join("");
  pSummary = pSummary.substring(0,length-1);
  return pSummary;
}
function contains(a, e) {
  for(var j = 0; j < a.length; j++) if (a[j]==e) return true;
  return false;
}
//]]>